Fast Switching: The backup power immediately takes over during power abnormalities, ensuring continuous power supply with millisecond-level switching for reliability and safety. Dual Power Conversion Switch: Features a PC-grade infrequent switching design, with dual workstation setup offering A as primary power and B as backup power. Versatile Application: Automatically switches to backup power during outages and back to main power upon restoration, ideal for emergency power systems in 50 or 60Hz AC circuits, widely used in applications requiring uninterrupted power. PC Material: Constructed from high-quality flame-retardant PC plastic material, providing excellent insulation, high temperature resistance, anti-aging properties, and enhanced safety; silver contacts improve conductivity and extend service life. Easy Installation: Compact and lightweight design simplifies installation; suitable for monitoring main and backup power status in residential and commercial settings. Item Type: Dual Power Automatic Transfer Switch Material: PC Rated Insulation Voltage (Ui): 690V Rated Current: 63A Frequency: 50, 60Hz Package Includes: 1 x Dual Power Automatic Transfer Switch, 1 x Instruction Manual